Issue with the StyleGan optional lab

Course Q&A Generative Adversarial Networks (GANS) Build Better Generative Adversarial Networks
1

Hi there!

I’ve almost finished the StyleGan Fine tuning lab found here:

and hit an issue with pytorch loading the checkpoint downloaded from drive:

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The interesting thing is is that wget managed to fetch the file down ok:

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If needed, I can also install pytorch in my WSL2 environment and see if that changes anything here.

Let me know your thoughts.

Thanks!

2

Some of these stackoverflow references also seem like red herrings in this debug:

3

I’ve run into the same issue as @Bradley_M_Messer . Interesting no one from Coursera has noted this.

4

@Steven_Saito, thanks for the ping. It looks like this got overlooked earlier when @Bradley_M_Messer first posted it!

I just tried, though, and I’m not seeing the error Bradley mentioned. Instead, I am seeing a 403 error trying to download the anime-character-dataset.zip. If I ignore that, I can get down to the same cell the Bradley had a problem with, except I get past the line he had trouble with no problem. Instead, that cell fails when trying to access the anime dataset (as you’d expect, since I wasn’t able to load the dataset earlier).

Are you seeing the same error Bradley was seeing or the one I’m seeing?

5

Thanks @Wendy .

The error I am seeing is

---------------------------------------------------------------------------
AssertionError                            Traceback (most recent call last)
<ipython-input-12-36238820b32e> in <module>()
     15 
     16 dataloader = torch.utils.data.DataLoader(
---> 17     Dataset('data/animeface-character-dataset/thumb', n_classes=n_classes),
     18     batch_size=16, pin_memory=True, shuffle=True, drop_last=True,
     19 )

1 frames
<ipython-input-2-e6a2a5230cb0> in load_examples_from_dir(self, abs_path)
     29         Given a folder of examples, this function returns a list of paired examples.
     30         '''
---> 31         assert os.path.isdir(abs_path)
     32 
     33         img_suffix = '.png'

AssertionError:

And I did also have the error earlier in the notebook where there was an error downloading the anime-character-dataset.zip file.

6

Same as me. It did use to work, so that site must have started restricting access to their data or something. I’ll submit a report to the developers so they can fix the lab to get this data some other way.